Examples of com.dbxml.db.core.indexer.Indexer.queryMatches()

com.dbxml.db.core.indexer.Indexer.queryMatches()
queryMatches retrieves a set of MatchEntry instances that match the supplied query. The matches are then used by the QueryEngine in co-sequential processing. If this indexer doesn't support the passed value, it should return 'null'. If no matches are found, it should return an empty set. queryMatches will typically be used in XPath processing. @param tx The controlling Transaction @param query The IndexQuery to use @return The resulting matches

               if ( stopWords != null && stopWords.contains(value) )
                  return null;
            }


            IndexQuery idxQry = new IndexQuery(pattern, node.operator, new Value(node.value));
            IndexMatch[] matches = idx.queryMatches(tx, idxQry);
            return QueryEngine.getUniqueKeys(matches);
         }
         else
            throw new ProcessingException("No FullText Index to support pattern '"+node.name+"'");
      }

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            else if ( name != null ) {
               // Try to use a NameIndex to resolve the path component
               IndexPattern pattern = new IndexPattern(symbols, name, nsMap);
               Indexer idx = context.getIndexManager().getBestIndexer(Indexer.STYLE_NODENAME, pattern);
               if ( idx != null ) {
                  IndexMatch[] matches = idx.queryMatches(tx, new IndexQueryANY(pattern));
                  Key[] keys = QueryEngine.getUniqueKeys(matches);
                  ks.add(keys);
               }
            }
         }

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         if ( pattern.isInvalid() )
            return null;


         Indexer idx = context.getIndexManager().getBestIndexer(Indexer.STYLE_NODEVALUE, pattern);
         if ( idx != null ) {
            IndexMatch[] matches = idx.queryMatches(tx, iq);
            Key[] keys = QueryEngine.getUniqueKeys(matches);
            return new NamedKeys(nk.name, nk.attribute, keys);
         }
      }
      catch ( Exception e ) {

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